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2.1 Atomic structure

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Question 10
H

The radius of an atom is about 1 × 10-10 m and the radius of its nucleus is about 1 × 10-14 m.

Treat both the atom and the nucleus as spheres. The volume of a sphere is proportional to the cube of its radius.

Approximately what fraction of the volume of the atom is taken up by the nucleus?

[1]
A

1×10−121\times10^{-12}1×10−12

B

1×10−81\times10^{-8}1×10−8

C

1×10−41\times10^{-4}1×10−4

D

1×10121\times10^{12}1×1012

Markscheme

2.1 Atomic structure Questions

  1. GCSE
  2. /Chemistry
  3. /2.1 Atomic structure

46 exam-style questions on Edexcel GCSE Chemistry 2.1 Atomic structure, covering 2.1.1 Development of the atomic model, 2.1.2 Structure of the atom and subatomic particles, 2.1.3 Mass number, isotopes and relative atomic mass, and 2.1.4 Calculating relative atomic mass from isotopic abundance. Each one has a worked solution and a mark scheme showing where the marks go.

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